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77415-04-4

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77415-04-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77415-04-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,1 and 5 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 77415-04:
(7*7)+(6*7)+(5*4)+(4*1)+(3*5)+(2*0)+(1*4)=134
134 % 10 = 4
So 77415-04-4 is a valid CAS Registry Number.

77415-04-4Downstream Products

77415-04-4Relevant articles and documents

The Chemistry of 2H-1,3-Benzoxazine-2,4-(1H)dione (Isatoic Anhydride). 8. A One Step Synthesis of the Quinindoline Ring System and Related Compounds

Coppola, Gary M.

, p. 1785 - 1787 (2007/10/02)

The reaction between N-substituted isatoic anhydrides and the carbanion generated from 3-methylthiooxindole to produce the quinindoline ring skeleton is discussed.Analogous reactions of azaisatoic anhydride 6 and tricyclic anhydride 8 produces the 4-aza analog 7 and pentacycle 9.Some spectral data is also described.

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